DOUBLE

DESCRIPTION: USING AT COMPETITION.GENERALLY DBL IS NEGATIF
             HELP TO DESCRIBE HAND.
             

KIND OF DOUBLES

INVERTED DOUBLE
NEGATIVE DOUBLE
T/O DOUBLE
RESPONSIVE DOUBLE
GAME TRY DOUBLE
BALANCING DOUBLE
CARD SHOWING DOUBLE
PENALTY DOUBLE
LEAD DIRECT DOUBLE
COMPETITIVE DOUBLE
SUPPORT DOUBLE OR REDOUBLE
D0P1 VE R0P1
DEP0 VE REP0
LIGHTNER DOUBLE
SLAM DOUBLE

INVERTED DOUBLE

AFTER PARTNER RDBL,WHEN WE ARE IN FORCE OR AFTER PATRNER'S 
POSITIVE RESPONSE AND RHO OVERCALLS:

DBL     :2/3 CARDS IN OPPONENT'S SUIT
PAS     :1 OR 4 CARDS IN OPPONENT'S SUIT (PENALTY OR MAX.HAND)
KONUSMA :MIN.HAND W SHORTNESS IN OPPONENT'S SUIT

WHEN WE ARE NOT IN FORCE DBL IS PENALTY.
EXAMPLE:1♠      2♣       PASS     PASS 
        DBL     PASS♥♥   PASS     2♦/♥
        ?

DBL IS TRANSFORMED TO PENALTY.PATNER'S STRENGHT
IS UNKNOWN CAN BE LONG CLUBS.IN THIS SEQUENCE PASS IS
NOT FORCING AND DBL IS PENALTY.

NEGATIVE DOUBLE

WHEN THERE IS NO FIT DBL SHOWS STRENGTH AND DISTRIBUTION.
NEGATIVE DBL SHOWS UNBID SUITS.

RULES OF NEGATIVE DOUBLES

IF PARTNER CAN REPEAT HIS SUIT AT 2 LEVEL:8+HCP
IF PARTNER CAN REPEAT HIS SUIT AT 3 LEVEL:11+HCP
IF PARTNER CAN REPEAT HIS SUIT AT 4 LEVEL:DBL
DOES NOT SHOW DISTRIBUTION.FIRST CHOICE IS TO PLAY 3NT.
EXAMPLE:
1♣  3♥  ? PASS
AX  10X ARJ10XX XXX  =DBL, NO 4♠ AND NO ♥ STOPPER
                      3NT IF PARTNER HAS ♥ STOPPER
EXAMPLE:
1♣      PASS     PASS     1♠
DBL=NEG. 17+HCP 

1♥      2♣      4♥      PASS
PASS     DBL=NEG.MAX.OVERCALL AND  4♠

1♣      PASS     1♦      1♠
PASS     2♠      DBL=NEG.MAX.WITH 5+♥ 
                    SIMPLE BID IS NF.

T/O DOUBLE

OVER OPENING BID AND BID BY BOTH OPPONENTS 
4.PLAYER'S DBL:

a)UNBID SUITS AND 11+HCP
b)18+HCP ANY DISTRIBUTION

RESPONSES TO T/O DBL

NEW SUIT                :0-8 HCP NATURAL
JUMP IN A NEW SUIT      :8-11 HCP 4+CARDS INV.
CUE-BID                 :FG OR 4/4 MAJORS INV.+
1NT                     :8-10 HCP CONSTRUCTIVE
2NT                     :10-12 HCP
3NT                     :TO PLAY
4 MAJOR                 :TO PLAY W LONG SUIT

RESPONSIVE DOUBLE

OVER PARTNER'S T/O DBL IF RHO BIDS AND DBL BY RESPONDER
IS RESPONSIVE DBL.

1♦      DBL     3♦      DBL=RESPONSIVE DBL
1♠      DBL     2♠      DBL=RESP.DBL MINORS OR INV.IN ♥
1♣      DBL     1♥      DBL=RESP.DBL 8+HCP BALANCED

GAME TRY DOUBLE

DBL SHOWS STRONG BALANCED GAME TRY.

1♥      1♠      2♥      2♠
DBL=GAME TRY DOUBLE 

1♠      2♥      2♠      3♥
DBL=GAME TRY DOUBLE (CAN BE UNBALANCED THERE IS NO ROOM).

BALANCING DOUBLE

TO AVOID PARTNER TRAP PASS.

CARD SHOWING DOUBLE

EXAMPLE:
1♣     4♥   DBL=CARD SHOWING 8+HCP (W/O ♥ POINTS)
1NT♣   2♦(MULTY)DBL=CARD SHOWING
1♥     2NT(MINORS)DBL=CARD SHOWING

PENALTY DOUBLE

GENERAL RULES:
1-WE HAVE FIT
2-WE KNOW OUR STRENGTH
EXAMPLE
1♥      1♠    2♥   2♠
PASS♣   PASS♣    DBL=PENALTY

1♠     PASS     1NT♣    PASS
2♦     PASS     2♠      PASS
PASS♣   3♦/♥ DBL=PENALTY

PASS♣   PASS     1♣      PASS
1♥      PASS♣    PASS    2♦
DBL=PENALTY

DBL IS ALWAYS WHEN WE DONT KNOW OUR STRENGTH.

LEAD DIRECT DOUBLE

TO NT CONTRACTS:

IF OPPONENTS BID W/O INTERFERENCE:

1-DUMMY FIRST SUIT (IF NOT REPEAT)
2-SPADE IF DUMMY DOES NOT BID SUIT

IF 1 OF PARTNERS OVERCALLS:

LEAD YOUR SUIT
DON'T LEAD MY SUIT

IF BOTH PARTNERS OVERCALL:

DBL WANTS HIS SUIT.

DBL TO CUE-BID,STAYMAN,TRANSFER:

LEAD DIRECT DBL

DBL TO SPLINTERS:

HIGHEST UNBID SUIT.

IF OPPONENTS CUE OUR SUIT AND DBL:

DBL BY OPENER OR OVERCALLER IS GOOD SUIT
DBL BY RESPONDER IS HONOUR (A,R,D)
ANTI-LEAD DBL AT 3 LEVEL CUE-BID.

COMPETITIVE DOUBLE

SHOWING STRENGTH AND UNBID SUITS.

SUPPORT DOUBLE OR REDOUBLE

OVER PARTNER 1M RESPONSE AND RHO OVERCALLS DBL IS SUPPORT DBL.
(OVER 1 ♥ RESPONSE UPTO 2♥,OVER 1♠ RESPONSE UPTO 2♠ OVERCALLS)

3 CARDS SUPPORT AND BETTER THEN MIN.

RESPONSES TO SUPPORT DBL AND RDBL

BID OUR SUITS IS SIGN OFF
NEW SUIT IS F1R
JUMP IN OUR SUITS IS INV.

ALL DBL ARE PENALTY AFTER SUPPORT DBL AND RDBL.

D0P1 VE R0P1

OVER RKCB(IF THEY BID BELOW OUR SUIT)

DBL OR RDBL     =0-3 1.STEP
PASS            =1-4 2.STEP
BIDS            =2/5 .....

IFNOT DEPO 

DEPO VE REPO

OVER RKCB(IF THEY BID OVER OUR SUIT)

DBL AND RD BL   =EVEN NUMBER KEYCARDS
PASS            =ODD NUMBER KEYCARDS

LIGHTNER DOUBLE



SLAM DOUBLE

IF WE PREEMPT AND OPPONENTS BID SLAM:

DBL             I HAVE 1 TRICK 
PASS            I HAVE 0 OR 2 TRICKS